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Useradd in Linux – Not copying any file from skel directory into it useradd: warning: the home directory already exists. Not copying any file from skel directory into it. If the directory didn’t exist , the Linux useradd process creates the directory and copies the skel files : .kshrc , .bashrc , .bash_profile and .bash_logout […] Add a Red Hat Enterprise Linux 6 system to Microsoft Active Directory UPDATE!! .. This article also works perfectly on Windows 2012 Server as well as Windows Server 2008. The process is exactly the same. I’ve had countless numbers of people ask me over the years how to add a Linux system to Active Directory. […] Use tar + pigz + ssh to achieve efficient transmission of large data Before we copy large data when the host, such as to copy more than 100GB of mysql raw data, we usually practice as follows: Package the tar.gz file at the source Using scp or rsync copy to the target host Unzip the […] Installation and configuration of the Linux NFS server First, the NFS service profile NFS is the Network File System. The main function is through the network so that different servers can share files or directories. NFS client is usually the application server (such as web, load balancing, etc.), you can mount the NFS server-side shared […] “systemd is a suite of basic building blocks for a Linux system. It provides a system and service manager that runs as PID 1 and starts the rest of the system. systemd… offers on-demand starting of daemons, keeps track of processes using Linux control groups, …and implements an elaborate transactional dependency-based service control logic.” tions […] The distributed file system called Network File System (NFS) allows client computers to access files hosted on other computers over the network. Unlike other network file sharing protocols, such as Microsoft’s SMB, NFS shares must be mounted on the client before they can be access. Install & Configure NFS A base server installation of CentOS […] Distributed File Systems (DFS) are used to easily access multiple CIFS file shares, hosted on separate servers, using a single namespace on your network. The actual shares can either be hosted locally on the DFS server itself or on separate servers. The benefit of using a single namespace for your users to access your shares […] Overview In small environments, administering Linux servers using only local accounts is manageable. However, in large environments hosting many hundreds or thousands of servers, the task of administering each server, manually maintaining user accounts and passwords would be a very daunting task. A central Identity and Access solution is required to effectively manage such environments. […] Overview Bonding is the ability to take two or more network interfaces and present them as one to a client. Depending on the method you use, the bond can create different types of connections. You can, for example, create an aggregate channel to double or even triple your total bandwidth; create a fault tolerant connections […] very popular tool for any operational guy’s DevOps utility belt is Puppet – a system configuration management service. It allows you to automate the entire process of system configuration and maintain consistency across groups of servers. Imagine having to deploy 50 servers for a new web farm, with each server requiring the exact same configuration. […] |
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